Making a DIY math symbol MacroPad for under £7

A macropad is a small keyboard that plugs into your PC and has custom buttons you can program yourself. As a Christmas present for a friend who tutors online, I decided to make my own macropad with each key featuring a mathematical symbol. When tutoring online, and trying to type math equations, yo…

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Improving a wind tunnel

This project is the continuation of a previous project , where I made a very rudimentary wind tunnel with a hairdryer and some wood panels. In that project, I barely covered how the wind tunnel was constructed, and the end result gave less than satisfactory results, so I am revisiting that project h…

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Designing and building a rubber band powered plane for under £5

My first thought when thinking of an efficient glider is the balsa wood planes with structural techniques similar to real planes, with longerons and airfoil profiles throughout the wings. I started here, 3d printing some basic airfoils to act as struts to get a general shape of a wing through wrap…

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Making a telemetry system for a go-Kart

Ever since a friend and I obtained a used go-kart from Facebook Marketplace, we have wanted to emulate the feel of a real Formula-style kart as closely as possible.  When sitting in the kart, you get the sense that you are in a machine that can propel you to speeds that you cannot imagine, just cen…

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